SKU: BFDD

Ductile Iron Double Flanged Butterfly Valve

Flanged AS4087 PN16

From $187.00

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Fusion Bonded Epoxy Ductile Iron Double Flanged Butterfly Valve to suit AS4087 PN16 (mostly the same as Table D). Come with Lockable Lever and Notch Plate or an IP67 Gear box with stainless steel shaft and visual indicator. EPDM seat and the disc is on a spline shaft (not pinned eliminating a possible failure point). These are Watermark, Standards Mark and WSAA (Water Service Association of Australia) certified.

Model Size (mm) Pressure Range Temperature Square drive size ISO Mtg Torque (Nm)
BFDD50-L-E 50 0 to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 12.5
BFDD65-L-E 65 0 to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 16.5
BFDD80-L-E 80 0 to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 24
BFDD100-L-E 100 0 to 16 Bar -20°C to 90°C (40°C Potable) 11mm F07 41
BFDD125-L-E 125 0 to 16 Bar -20°C to 90°C (40°C Potable) 14mm F07 56
BFDD150-L-E 150 0 to 16 Bar -20°C to 90°C (40°C Potable) 14mm F07 95
BFDD200-L-E 200 0 to 16 Bar -20°C to 90°C (40°C Potable) 17mm F10 185
BFDD250-L-E 250 0 to 16 Bar -20°C to 90°C (40°C Potable) 22mm F10 290
BFDD300-L-E 300 0 to 16 Bar -20°C to 90°C (40°C Potable) 22mm F10 340
BFDD350-G-E 350 0 to 10 Bar -20°C to 90°C (40°C Potable) 22mm F10 824
BFDD400-G-E 400 0 to 10 Bar -20°C to 90°C (40°C Potable) 22mm F14 1073
BFDD450-G-E 450 0 to 10 Bar -20°C to 90°C (40°C Potable) 27mm F14 1602
BFDD500-G-E 500 0 to 10 Bar -20°C to 90°C (40°C Potable) 27mm F14 1953
BFDD600-G-E 600 0 to 10 Bar -20°C to 90°C (40°C Potable) 36mm F16 3561
BFDD700-G-E 700 0 to 10 Bar -20°C to 90°C 18x11x63 (key) F25  
BFDD800-G-E 800 0 to 10 Bar -20°C to 90°C 18x11x63 (key) F25  
BFDD900-G-E 900 0 to 10 Bar -20°C to 90°C 20x12x100 (key) F25  
BFDD1000-G-E 1000 0 to 10 Bar -20°C to 90°C 22x14x140 (key) F25  
BFDD1200-G-E 1200 0 to 10 Bar -20°C to 90°C 28x16x140 (key) F30  

50mm to 600mm

Double Flanged Butterfly Valve Dimensions

DN H C L P K E z-d g h D1 n-d1
50 203 108 32 9 77 50 4-7 35 3 114 4-18
65 223 112 32 9 77 50 4-7 35 3 127 4-18
80 245 114 32 9 77 50 4-7 35 3 146 4-18
100 269 127 32 11 90 70 4-9 55 3 178 4-18
125 295 140 32 14 90 70 4-9 55 3 210 8-18
150 333 140 32 14 90 70 4-9 55 3 235 8-18
200 375 152 45 17 125 102 4-12 70 3 292 8-18
250 433 165 45 22 125 102 4-12 70 3 356 8-22
300 503 178 45 22 125 102 4-12 70 3 406 12-22
350 589 190 45 22 125 102 4-12 70 3 470 12-26
400 640 216 51.2 24 175 140 4-18 100 4 521 12-26
450 720 222 51.2 27 175 140 4-18 100 4 584 12-26
500 785 229 64.2 36 175 140 4-18 100 4 641 16-26
600 910 267 70.2 36 210 165 4-23 130 5 756 16-30


700mm to 1200mm

Double Flanged Ductile Iron Butterfly Valve

DN H C D1 n-d1 K E z-d b*t*l (key) d0 L
700 1038 292 845 20-30 300 254 8-18 18x11x63 55 70
800 1149 318 984 20-36 300 254 8-18 18x11x63 55 70
900 1249 330 1092 24-36 300 254 8-18 20x12x100 75 118
1000 1392 410 1175 24-36 300 254 8-18 22x14x140 85 142
1200 1796 470 1410 32-36 350 298 8-23 28x16x140 105 150

All dimensions in mm unless shown otherwise. 

50mm to 600mm

Double Flanged Butterfly Valve Construction

Item Part Material Grade Build & Test Standard
1 Body Ductile Iron AS18311500-7 ASTM A536
2 Seat EPDM Watermark Approved  
3 Shaft Stainless Steel SS431 ASTM A370
4 Disc Stainless Steel CF8M ASTM A370
5 Pin Stainless Steel SS316 ASTM A370
6 Bushing Polymers    
7 O Ring NBR    


700mm to 1200mm 

Double Flanged Butterfly Valve 700mm to 1200mm

Item Part Material Grade Build & Test Standard
1 Body Ductile Iron AS18311500-7 ASTM A536
2 Seat EPDM Watermark Approved  
3 Lower Shaft Stainless Steel SS431 ASTM A370
4 Upper Shaft Stainless Steel SS431 ASTM A370
5 Disc Stainless Steel CF8M ASTM A370
6 Pin Stainless Steel SS316 ASTM A370
7 Bushing Polymers    
8 O Ring NBR    

Size Flanged AS4087 PN16 50mm to 1200mm
Body FBE Coated Ductile Iron
Seat EPDM
Disc 316 Stainless Steel
Pressure Up to 16 BAR (depending upon size)
Actuation Lever or Gear Box

  • What is a Double Flanged Butterfly Valve?

    A double flanged butterfly valve is a butterfly valve that has integral flanges built into the body of the valve. It is designed to mate up to two flange faces in pipework. In this case we are talking about ductile iron body (similar to cast iron but better advantages in terms of strength, elongation & life) center line butterfly valves. The center line refers to the location of the disc and shaft in relation to the body (there are other kinds of butterfly valves such as double & triple offset) where it is precisely in the middle. These valves can have different seat materials but the most common would be EPDM but others such as FKM, NBR or PTFE are also used. This type of body has the added advantage that the disc of the valve will do most of its turn within its own body width whereas wafer or lugged the disc will turn mostly in the pipe.

  • How does a Double Flanged Butterfly Valve work?

    A double flanged butterfly valve works by the shaft rotating 90 degrees which will take the position of the disc in the flow from open to close (or vice versa). When it is closed a seal will be formed between the disc and the seat effectively stopping the flow of the media. When it is opened again the disc comes away from the seat and when it is fully open sits side (smallest surface area facing) on to the direction of the upstream flow. This 90 degree turn will take place from either a lockable handle (has a notch plate to stop at different positions within the 90 degree turn) or a gear box. Both have stops to prevent turning the valve past 90 degrees.

  • How long will my Double Flanged Butterfly Valve last?

    Like any valve this depends upon the usage case of your butterfly valve, its environment, media and how many times it is cycled. For instance if it is on a clean wet media, in a clean environment and not cycled regularly the life will be decades. If it is on a corrosive media and in a dry application with a high cycle rate the life will be much shorter. We conduct regular lab testing and 6,000 cycles is a reasonable life cycle depending upon the application.

  • How do I install a Double Flanged Butterfly Valve?

    These double flanged butterfly valves are designed to mate between two flanges. These will then be bolted together with the appropriate sized bolt and nut (varies depending upon size and flange standard). The seat of the valve also forms the gasket on the flanges so there is no need for a secondary gasket. The bolts should be tightened in a diagonal shape to avoid over tightening in one area. For a full list of instructions please visit our butterfly valve installation & maintenance guide.

  • What are typical uses of a Double Flanged Butterfly Valve?

    These double flanged valves are very common in the civil water industry especially because most of our models hold a Watermark and Standards mark approval. They are also used for general purpose applications as long as the media, temperature and pressure are compatible.

  • How long will my product take to get to me? 

    This depends upon where you are based and the freight method chosen. If the express freight option is selected it is usually next day delivery to metropolitan areas in Australia for under 5kg. If free freight has been selected it will go by road freight which can be anywhere from 1 to 10 days depending upon your location. It usually averages 3 days.

  • What warranty do I get?

    All of our products come standard with a 12 month warranty. The good news is we have very strict quality controls and all valves leave our warehouse tested (full material and testing certificates to API 598 are available) and inspected so there are rarely any issues. Also once your valve is in and operating it will most likely continue to do so for a very long time. 

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BFDD

Ductile Iron Double Flanged Butterfly Valve

Features:

Size Flanged AS4087 PN16 50mm to 1200mm
Body FBE Coated Ductile Iron
Seat EPDM
Disc 316 Stainless Steel
Pressure Up to 16 BAR (depending upon size)
Actuation Lever or Gear Box

Description:

Fusion Bonded Epoxy Ductile Iron Double Flanged Butterfly Valve to suit AS4087 PN16 (mostly the same as Table D). Come with Lockable Lever and Notch Plate or an IP67 Gear box with stainless steel shaft and visual indicator. EPDM seat and the disc is on a spline shaft (not pinned eliminating a possible failure point). These are Watermark, Standards Mark and WSAA (Water Service Association of Australia) certified.

Model Size (mm) Pressure Range Temperature Square drive size ISO Mtg Torque (Nm)
BFDD50-L-E 50 0 to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 12.5
BFDD65-L-E 65 0 to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 16.5
BFDD80-L-E 80 0 to 16 Bar -20°C to 90°C (40°C Potable) 9mm F05 24
BFDD100-L-E 100 0 to 16 Bar -20°C to 90°C (40°C Potable) 11mm F07 41
BFDD125-L-E 125 0 to 16 Bar -20°C to 90°C (40°C Potable) 14mm F07 56
BFDD150-L-E 150 0 to 16 Bar -20°C to 90°C (40°C Potable) 14mm F07 95
BFDD200-L-E 200 0 to 16 Bar -20°C to 90°C (40°C Potable) 17mm F10 185
BFDD250-L-E 250 0 to 16 Bar -20°C to 90°C (40°C Potable) 22mm F10 290
BFDD300-L-E 300 0 to 16 Bar -20°C to 90°C (40°C Potable) 22mm F10 340
BFDD350-G-E 350 0 to 10 Bar -20°C to 90°C (40°C Potable) 22mm F10 824
BFDD400-G-E 400 0 to 10 Bar -20°C to 90°C (40°C Potable) 22mm F14 1073
BFDD450-G-E 450 0 to 10 Bar -20°C to 90°C (40°C Potable) 27mm F14 1602
BFDD500-G-E 500 0 to 10 Bar -20°C to 90°C (40°C Potable) 27mm F14 1953
BFDD600-G-E 600 0 to 10 Bar -20°C to 90°C (40°C Potable) 36mm F16 3561
BFDD700-G-E 700 0 to 10 Bar -20°C to 90°C 18x11x63 (key) F25  
BFDD800-G-E 800 0 to 10 Bar -20°C to 90°C 18x11x63 (key) F25  
BFDD900-G-E 900 0 to 10 Bar -20°C to 90°C 20x12x100 (key) F25  
BFDD1000-G-E 1000 0 to 10 Bar -20°C to 90°C 22x14x140 (key) F25  
BFDD1200-G-E 1200 0 to 10 Bar -20°C to 90°C 28x16x140 (key) F30  
.

Ductile Iron Double Flanged Butterfly Valve

BFDD

Dimensions:

50mm to 600mm

Double Flanged Butterfly Valve Dimensions

DN H C L P K E z-d g h D1 n-d1
50 203 108 32 9 77 50 4-7 35 3 114 4-18
65 223 112 32 9 77 50 4-7 35 3 127 4-18
80 245 114 32 9 77 50 4-7 35 3 146 4-18
100 269 127 32 11 90 70 4-9 55 3 178 4-18
125 295 140 32 14 90 70 4-9 55 3 210 8-18
150 333 140 32 14 90 70 4-9 55 3 235 8-18
200 375 152 45 17 125 102 4-12 70 3 292 8-18
250 433 165 45 22 125 102 4-12 70 3 356 8-22
300 503 178 45 22 125 102 4-12 70 3 406 12-22
350 589 190 45 22 125 102 4-12 70 3 470 12-26
400 640 216 51.2 24 175 140 4-18 100 4 521 12-26
450 720 222 51.2 27 175 140 4-18 100 4 584 12-26
500 785 229 64.2 36 175 140 4-18 100 4 641 16-26
600 910 267 70.2 36 210 165 4-23 130 5 756 16-30


700mm to 1200mm

Double Flanged Ductile Iron Butterfly Valve

DN H C D1 n-d1 K E z-d b*t*l (key) d0 L
700 1038 292 845 20-30 300 254 8-18 18x11x63 55 70
800 1149 318 984 20-36 300 254 8-18 18x11x63 55 70
900 1249 330 1092 24-36 300 254 8-18 20x12x100 75 118
1000 1392 410 1175 24-36 300 254 8-18 22x14x140 85 142
1200 1796 470 1410 32-36 350 298 8-23 28x16x140 105 150

All dimensions in mm unless shown otherwise. 

.

Ductile Iron Double Flanged Butterfly Valve

BFDD

Construction:

50mm to 600mm

Double Flanged Butterfly Valve Construction

Item Part Material Grade Build & Test Standard
1 Body Ductile Iron AS18311500-7 ASTM A536
2 Seat EPDM Watermark Approved  
3 Shaft Stainless Steel SS431 ASTM A370
4 Disc Stainless Steel CF8M ASTM A370
5 Pin Stainless Steel SS316 ASTM A370
6 Bushing Polymers    
7 O Ring NBR    


700mm to 1200mm 

Double Flanged Butterfly Valve 700mm to 1200mm

Item Part Material Grade Build & Test Standard
1 Body Ductile Iron AS18311500-7 ASTM A536
2 Seat EPDM Watermark Approved  
3 Lower Shaft Stainless Steel SS431 ASTM A370
4 Upper Shaft Stainless Steel SS431 ASTM A370
5 Disc Stainless Steel CF8M ASTM A370
6 Pin Stainless Steel SS316 ASTM A370
7 Bushing Polymers    
8 O Ring NBR    

WARNING

These products are intended for use in industrial applications only. Do not use these products where pressures and temperatures can exceed those listed under ‘Technical Data’ and in our individual ‘Series’ data sheets. Before using these products with fluids other than these specified, for non-industrial applications, life-support systems, or other applications not within published specifications, consult Process Systems Pty Ltd. Through misuse, age, or malfunction, components used in industrial valve applications can fail in various modes. The system designer is warned to consider the failure modes of all component parts used in industrial valve applications and to provide adequate safeguards to prevent personal injury or damage to equipment in the event of such failure. System designers must provide a warning to the user in the system instructional manual if protection against a failure mode cannot be adequately provided. System designers and end users are cautioned to review specific warnings or specifications found in instruction sheets or labels packed or attached and shipped with the products. Our policy is one of continuous research and development. We therefore reserve the right to amend without notice the specifications given in this document or our individual ‘Series’ data sheets.

WARRANTY INFORMATION

All valve series and other products manufactured or distributed by Process Systems Pty. Ltd. are warranted by Process Systems to be free of defects in material and workmanship for a period of 1 year from the date of purchase or as the manufacturer warrants. Process Systems obligation under this warranty is limited to repair or replacement of the defec1ive product or refund of the purchase price paid solely at the discretion of Process Systems and provided such defective product is returned to Process Systems freight prepaid and upon examination by Process Systems such product is found defective. This warranty shall be void in the event that the product has been subject to misuse, misapplication, improper maintenance, modification or tampering. This warranty is expressed in lieu of all other warranties, expressed or implied from Process Systems Pty. Ltd. representatives or employees. Process Systems reserves the right to change Valve and Brochure specifications without notice.